Home › Knowledge Hub › Sanctions Screening

Sanctions Screening Explained – Beginner Guide

Sanctions screening is one of the most important parts of KYC and AML. It helps financial institutions ensure they are not dealing with individuals, companies, or countries that are restricted or prohibited under international sanctions laws.

This guide explains sanctions screening in the simplest possible way — ideal for beginners, job seekers, and professionals preparing for KYC/AML roles.

What Is Sanctions Screening?

Sanctions screening is the process of comparing customer names, entities, and transactions against official sanctions lists issued by governments and international bodies.

If a match is found, the institution must block, freeze, or report activity as required by law.

Who Issues Sanctions?

• United Nations (UN)
• OFAC – United States
• European Union (EU)
• United Kingdom (HMT/OFSi)
• Canada (OSFI)
• Australia (DFAT)
• Japan, Switzerland, and other major jurisdictions

Types of Sanctions Screening

• Name Screening: Customer and entity names
• Transaction Screening: Payments, beneficiaries, counterparties
• List Screening: Checking against updated sanctions lists
• Fuzzy Matching: Detecting name variations and close matches
• Ultimate Beneficial Owner (UBO) Screening: Identifying hidden sanctioned ownership

What Can Be Sanctioned?

• Individuals
• Companies
• Banks/Institutions
• Government officials
• Ships & vessels
• Airlines
• Crypto wallets
• Countries / regions

Sanctions Red Flags

• Name matches with OFAC/UN/EU lists
• Transactions involving high-risk regions
• Customer using shell/offshore entities
• Crypto activity connected to sanctioned wallets
• Sudden change in transaction behavior
• Use of intermediaries to hide true beneficiary
• Vessels with AIS disabled (for shipping sanctions)

Sanctions vs PEP vs Adverse Media – Key Differences

What Happens If a Sanctions Match Is Found?

1. Review match (exact or possible)
2. Block/freezing account or transaction (if required by law)
3. Escalate to compliance/sanctions team
4. File STR/SAR if suspicious
5. Notify regulator if required

Frequently Asked Questions (FAQ)

Is sanctions screening mandatory?

Yes — every bank and regulated entity must screen customers and transactions.

Do sanctions lists update daily?

Yes, major lists like OFAC, EU, and UN update frequently and must sync automatically.

What is a false positive?

When the system flags a name that looks similar but is not the same individual/entity.